Uterine ablation, more precisely called endometrial ablation, is a minimally invasive procedure that destroys the lining of the uterus to reduce or stop heavy menstrual bleeding. It’s typically offered to people who haven’t found relief from medications and who are done having children. The procedure doesn’t remove the uterus, and it doesn’t change your hormone levels.
Why It’s Done
The endometrium is the tissue that lines the inside of the uterus. Each month, this lining builds up and sheds during your period. For some people, that bleeding is abnormally heavy or prolonged, soaking through pads or tampons every hour or two, lasting beyond seven days, or disrupting daily life. Endometrial ablation works by destroying enough of that lining so there’s less tissue to shed each cycle.
Medication is usually the first approach for heavy periods. Ablation enters the picture when those options haven’t worked well enough. The FDA has approved endometrial ablation devices specifically for premenopausal patients with heavy bleeding from non-cancerous causes who have completed childbearing.
How the Procedure Works
During endometrial ablation, a device is inserted through the cervix into the uterus, so there are no external incisions. Several different technologies can destroy the uterine lining, and which one your provider uses depends on your uterine anatomy and their training. The most common approaches include:
- Thermal balloon: A balloon is inflated inside the uterus and filled with heated fluid that destroys the lining through contact.
- Radiofrequency energy: A mesh device expands inside the uterus and delivers electrical energy that heats the tissue.
- Cryoablation: Freezing temperatures are applied to destroy the lining.
- Heated fluid (hydrothermal): Heated saline circulates freely inside the uterus to ablate the tissue.
- Microwave energy: A slender probe delivers microwave energy directly to the lining.
All of these methods aim to do the same thing: damage the endometrial tissue enough that it can no longer regenerate fully. The procedure typically takes under 30 minutes and can be done under local or general anesthesia.
Who Should Not Have It
Endometrial ablation is not appropriate for everyone with heavy periods. You wouldn’t be a candidate if you want to become pregnant in the future, if you’ve already gone through menopause, or if your heavy bleeding is caused by uterine cancer or precancerous changes. An endometrial biopsy is generally required beforehand to rule out malignancy.
Certain structural issues with the uterus, such as very large fibroids that distort the uterine cavity, can also make the procedure unsafe or ineffective. Your provider will typically do an ultrasound or a hysteroscopy (a thin camera inserted into the uterus) before scheduling the ablation to assess the shape and size of the cavity.
Recovery and What to Expect After
Recovery is fast. Most people return to their usual activities within 48 hours and feel back to normal within two to three days. You’ll likely be asked to avoid sex and tampons for several days afterward.
Some watery or blood-tinged discharge is normal for a few weeks following the procedure. This discharge tends to be heaviest in the first 48 to 72 hours, then gradually tapers off. Mild cramping similar to period pain is common during that initial window.
In terms of results, some people stop getting periods entirely after ablation, while others see their flow reduced to light or normal levels. It can take a few months for the full effect to become clear.
Why Contraception Is Still Necessary
Endometrial ablation is not a form of birth control. While it makes pregnancy far less likely, it doesn’t prevent it entirely. Estimated pregnancy rates after ablation range from about 0.2% to 5.2%, and those pregnancies carry serious risks.
Because the uterine lining has been damaged, a fertilized egg cannot implant and grow normally. Pregnancies that do occur after ablation are associated with a 20-fold increased risk of the placenta growing dangerously deep into the uterine wall, a condition that can cause life-threatening hemorrhage and often requires emergency hysterectomy. Other complications include ectopic pregnancy, early miscarriage, uterine rupture, and high rates of cesarean delivery. Effective contraception after ablation is essential, and many providers recommend pairing the procedure with a permanent form of birth control.
Possible Risks and Complications
Endometrial ablation is considered low-risk, but complications can occur. During the procedure, the most significant concern is uterine perforation, where an instrument passes through the uterine wall. This is uncommon but can injure nearby organs. Infection, excessive bleeding, and reactions to the fluid used during the procedure are also possible.
A longer-term complication to be aware of is called post-ablation tubal sterilization syndrome. This affects roughly 19% of people who have both an ablation and a tubal sterilization (having their tubes tied). It causes new or worsening cyclic pelvic pain, likely because menstrual blood produced by any remaining active lining gets trapped. Younger patients appear to have a somewhat higher risk. When this syndrome is severe enough to need treatment, hysterectomy is usually the solution.
Long-Term Effectiveness
Endometrial ablation works well for many people, but it isn’t always a permanent fix. Over time, the uterine lining can partially regenerate, and heavy bleeding may return. A large study of over 76,000 patients in Ontario found that about 16.5% underwent a hysterectomy within five years of their ablation.
That means roughly five out of six people did not need further surgery, which is a favorable success rate. But it’s worth understanding going in that ablation buys significant relief for the majority of patients while carrying a real chance that a more definitive procedure could eventually be needed. Younger patients tend to have higher rates of needing a hysterectomy later, simply because they have more years of menstrual cycles ahead of them before menopause naturally stops the process.
How It Compares to Hysterectomy
The main alternative to endometrial ablation for uncontrolled heavy bleeding is hysterectomy, which removes the uterus entirely. Hysterectomy is a guaranteed cure for heavy periods, but it’s a major surgery with weeks of recovery, higher complication rates, and permanent effects on pelvic anatomy. Ablation offers a middle ground: a quick outpatient procedure with minimal downtime that resolves the problem for the large majority of patients. The tradeoff is that it doesn’t work for everyone and may need to be followed by hysterectomy years later if bleeding returns or pelvic pain develops.